Golden Toad (Incilius periglenes)Image from Wikimedia Commons Sadly, this amazing creature is thought to be extinct. It has not been seen since 1989. So sad.

New Granada Cross-Banded Treefrog (Smilisca phaeota)Image from Wikimedia Commons Listen to the call of the New Granada Cross-Banded Treefrog

Ancient Frog (Palaeobatrachus grandipes)Image from Wikimedia Commons

European Green Toad (Pseudepidalea viridis)Image from Wikimedia Commons Listen to the call of the European Green Toad

The Life Cycle of a FrogImage from Wikimedia Commons

Edible Frog (Pelophylax esculentus)Image from Wikimedia Commons

Suriname Toad (Pipa pipa)Image from Wikimedia Commons

Blue Poison Dart Frog (Dendrobates tinctorius)Image from Wikimedia Commons

European Treefrog (Hyla arborea)Image from Wikimedia Commons

American Bullfrog Skeleton (Lithobates catesbeianus)Image from Wikimedia Commons

Black-spotted Rock Frog (Staurois guttatus)Image from Wikimedia Commons Read more about the Black-spotted Rock Frog here.

Black-and-red Froghopper (Cercopis vulnerata)Image from Wikimedia Commons

Bird-voiced Treefrog (Hyla avivoca)Image from Wikimedia Commons Listen to the call of the Bird-voiced Treefrog

Red-eyed Tree Frog (Agalychnis callidryas)Image from Wikimedia Commons The frogs above are exhibiting a behavior called amplexus, in which a male amphibian grasps a female with his front legs as part of the mating process.